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DA0-001 · Question #102
DA0-001 Question #102: Real Exam Question with Answer & Explanation
The correct answer is A: Variance.. Variance is a statistical measure that quantifies how spread out a set of data points are from their mean.
Data Analysis
Question
Which one of the following is a measure of dispersion?
Options
- AVariance.
- BMode.
- CMedian.
- DMean.
Explanation
Variance is a statistical measure that quantifies how spread out a set of data points are from their mean.
Common mistakes.
- B. Mode is a measure of central tendency, representing the most frequently occurring value in a dataset, not the spread of data.
- C. Median is a measure of central tendency, representing the middle value in a sorted dataset, not the spread of data.
- D. Mean is a measure of central tendency, representing the average of all values in a dataset, not the spread of data.
Concept tested. Measures of dispersion in statistics
Reference. https://en.wikipedia.org/wiki/Variance
Topics
#Descriptive statistics#Measures of dispersion#Variance
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